18981684

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{27751}}^1$

素因数の和:27780

約数の個数: 36

約数和(自身を含む): 50508640

約数和(自身を除く): 31526956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 27751, 55502, 83253, 111004, 166506, 249759, 333012, 499518, 527269, 999036, 1054538, 1581807, 2109076, 3163614, 4745421, 6327228, 9490842, 18981684]

約数ペア:

[(1, 18981684), (2, 9490842), (3, 6327228), (4, 4745421), (6, 3163614), (9, 2109076), (12, 1581807), (18, 1054538), (19, 999036), (36, 527269), (38, 499518), (57, 333012), (76, 249759), (114, 166506), (171, 111004), (228, 83253), (342, 55502), (684, 27751)]